Printed circuit board

Details Printed circuit board Printed circuit board

1991-03-26

1992-07-21

Tolin, Gerald P.

Electricity: electrical systems and devices

Miscellaneous

361400, 174260, H05K 706

Patent

active

051328640

ABSTRACT:
A printed circuit board includes a substrate, a printed electric circuit pattern formed on the surface of the substrate, a plurality of land patterns formed on end portions of the printed electric circuit pattern, an isolation layer formed on the surface of the substrate and printed electric circuit pattern, an opening formed in the isolation layer about each land pattern, a plurality of electrical devices arranged on the land patterns and a plurality of markers printed on the surface of the isolation layer enclosing corresponding electrical devices.

REFERENCES:
patent: 3562592 (1971-02-01), Cooke
patent: 4339785 (1982-07-01), Ohsawa
patent: 4413309 (1983-11-01), Takahashi et al.
patent: 4774634 (1988-09-01), Tate et al.
patent: 4883920 (1989-11-01), Tanabe et al.

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